Mares Avanti Superchannel Full Foot Scuba FinsMares Avanti Superchannel Full Foot Scuba Fins The superchannel fins by mares employ advanced superchannel thrust technology, thermoplastic rubber tecralene materials, and upper and lower stabilizers. The channel thrust technology maximizes the channeling of water, and moves a much greater amount ofpared to other fins of the same size. The result is greater thrusting power, with the same amount of effort. The blade is designed with a large flexible